Low air leaf ride height

This is the ride height you can get from the 360# rear spring with 8" bolts. 72 Ontario Orange Coupe. 2001 LS1 - LS6 block & Intake, Thunder Racing Cam, Ported heads and Throttle Body, Meziere electric water pump, Hooker Shorty Headers, 2001 T56 6-speed trans, VB&P Street & Slalom suspension, Magnaflow SS exhaust.

to set ride height . and adjust rear . axle angles. on those vehicles.. This . ... LOW AIR LEAF (Srngle. axle conirgurations burll. on & atter 4/904) and. SOUEEZ E ...The video plus Durallymax info led us to the proper ride height. Layed a level across the duals and measured to the floor, divided by 2 and added 11.7 to achieve the proper height....32". Got the fenders installed with time to spare.....thank you to all who replied! Edit: Robmar poly fenders. Great people to deal with and a great product.Shear modulus for steel is 11,250,000 pounds/square inch, diameter of wire is 0.75 inch, number of coils is 4, and diameter of the coil is 3 inches. 4119.87 pounds/inch. Two technicians are discussing the operation of shock absorbers. Technician A states that the greater the pressure drop of the fluid inside the shock, the greater the amount of ...Apr 30, 2019 · Some have added just 1 side if they have a sagging side. Generally people use blocks above leaf (raises axle housing) to lower but you can do the opposite and use them to raise the car by putting them above the leaf spring on the higher side. Fairly simple to install and about $15 for a block. I got mine at Speedway. In this video our mechanic demonstrates how to adjust the ride height on a Hendrickson Air Ride Suspension. For more information or to contact our service d...Blocks for leaf springs to adjust their ride height (up or down) the leaf spring suspension has not been raised by any other means, and; the leaf spring blocks are: securely fitted, and; constructed from metal, and; designed for the purpose, and; firmly seated over not less than the O.E. seat area, and; not more than 50mm in height, and

Imagine floating gently above the world, with breathtaking views stretching out as far as the eye can see. A hot air balloon ride for two offers an experience like no other, combin...If your suspension is Air Leaf it will have Air Leaf embossed on the spring hanger bracket. ... Are you running the fat tires on the steers? 11" on the ride height would be correct on Air Trac. bender, Sep 2, 2012. bender, Sep 2, 2012 #7. Sep 2, 2012 #8. bender Road Train Member. 2,105 1,348. Jul 20, 2010Some have added just 1 side if they have a sagging side. Generally people use blocks above leaf (raises axle housing) to lower but you can do the opposite and use them to raise the car by putting them above the leaf spring on the higher side. Fairly simple to install and about $15 for a block. I got mine at Speedway.A simple way to test the springs and ride height. See the service manual for you year of car to determine the correct location to measure make height measurement. Measure the ride height at the base of frame front and rear and from side to side on the 63 - 67. Spring rates: Sling a 100 # bag of sand to each bumper and re measure the ride height.Typically you should have 34” - 34 1/4” of ride height from the bottom of the frame to flat level ground. Peterbuilt would have an exact spec but it usually only varies by .5 inches or less. Ask Your Own Medium and Heavy Trucks Question. Ok thank you very much! No problem, good luck and safe travels driver.Ride Height in Front. My 04 seems to ride very low in the front and have adjusted the leaf spring to the maximum and still ride just 2" of clearance on the air dam. Would like to know if replacing the front leaf spring would be the answer to this problem. It does not seem to be very pricy and would be better than beating the rocker panels ...Convert your GM, Dodge, or Ford 1 ton cab chassis truck from Leaf springs to a true air ride suspension. Also available for F-450/550 and 4500/5500 trucks. Springs, Steering, and Suspension Specialists ... Maintains designed vehicle ride height: ... DRW Low Crossmember – 1 Inch higher than the OEM frame rail ...

Pressurize the Air System: With a consistent air supply exceeding 70 PSI (4.8 bars), make sure all air springs inflate properly, raising the suspension to the right ride height. Measure the Frame Height: At the axle where the height control valve is located, measure the distance from the bottom of the frame rail to the ground.Commercial Vehicle Suspension Systems: Air Ride vs. Leaf Spring. Jun 03, 2022. Commercial vehicle suspension systems play a significant role in maintaining performance and stability in heavy-duty vehicles. Suspension systems ensure that heavy-haul work vehicles handle dips, bumps, and anything stumbled upon on the road.350. 54. Dec 13, 2013. 0. Not sure if im still having ride height issues or not. 09 389 low air leaf. I changed the levelling valve and set ride height to 8.5”. Now on gravel roads the …Apr 13, 2023 · A ride height adjustment can be made easily if you simply swap tires. For example, the front tire on the writer’s Nova is a P205-70R15. It measures 26.3 inches tall. If I swap to a P205-75R15, the tire height goes up to 27.1 inches in diameter. On the car, that simple change raises the nose by almost half inch.

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Nov 19, 2011 · This is the ride height you can get from the 360# rear spring with 8" bolts. 72 Ontario Orange Coupe. 2001 LS1 - LS6 block & Intake, Thunder Racing Cam, Ported heads and Throttle Body, Meziere electric water pump, Hooker Shorty Headers, 2001 T56 6-speed trans, VB&P Street & Slalom suspension, Magnaflow SS exhaust. Nov 22, 2016 · Air trac ride height is 11.00 inches centerline of the axle to the bottom of the frame, average between axles should be within 1/2 in. Check to make sure that your tires are inflated equally and that you axle cross locks are fully disengaging. also make sure that your driveshafts are in phase, ie yolks on the same plane. Posts: 2,394. British Columbia. Yes, the factory has the ground to rocker panel height specs: Front- 8.4" at 33" behind the center of the front wheel: Rear, 8.10" at 29" ahead of the center of the rear wheel. Those numbers go out the window as soon as you replace the stock tires.Jan 7, 2013 · While we're on the topic, the '86 in my sig has the air leaf suspension (not low air leaf or low low air leaf just plain air leaf). Does anyone have the ride height numbers for it? Click to expand...

Apr 19, 2011 · That's Pete Air Leaf. LAL has re-curved springs. In the shape of a "C". When pulling empty trailer, or bob-tailing, the rear-end does rise some. IIRC my Pete would come up about 3"s "Neuway" is another brand of air-ride suspension. But, Peterbilt is considered the 'top shelf' of them all. KW's 8 bag system is more complicated and seem to * High Quality Leveling Valve * Adjustable Linkage Kit For Height Control Valve * 18 Inch Rod With Ends And Hardware * Maximum Usable Length 19.500 Inches * Rod Can Be Cut For Shorter Applications * Sold Individually * Warranty On Leveling Valves Against Defects In Workmanship & Material From Date Of Purchase *** High Quality Aftermarket Replacement Part (Not OEM) *** *** Replaces OE Number(S ... 2015 peterbilt 367 straight truck with dump bed rear suspension leans to left rear bad. new Leaf springs on all 4 and all 4 airbags replace leveling. SteveR. Shop Manager. High school. 28 satisfied customers. I have a 1990 379 peterbilt day cab. It originally had a 5th. I have a 1990 379 peterbilt day cab .Shop our massive inventory of used Peterbilt LOW AIR LEAF Suspensions at unbeatable prices. Enjoy our hassle-free online checkout or call to speak to an expert. Email Us Call Us 888.940.5030 Log In/Register 0. ... Air Ride ; Seat, Mechanical Suspension ; Seat, non-Suspension ; Sleeper Control Module ...Nov 22, 2016 · Air trac ride height is 11.00 inches centerline of the axle to the bottom of the frame, average between axles should be within 1/2 in. Check to make sure that your tires are inflated equally and that you axle cross locks are fully disengaging. also make sure that your driveshafts are in phase, ie yolks on the same plane. • Freight-cushioning ride, dynamically tuned to the vehicle, reduces damage to payloads • Proven combination of trailing arm leaf springs and self-leveling air bags provides Stabilizer a uniformly soft Attachment spring ride • Excellent ride either loaded or unloaded • Designed to reduce sway when turning or negotiating curvesOne of the key features of the Peterbilt Low Air Leaf suspension system is its ability to adjust the ride height. This can be done by adjusting the air pressure in the air springs. By increasing or decreasing the air pressure, the ride height can be adjusted to suit the specific needs of the truck and the load being carried.2002 PETERBILT LOW AIR LEAF Cutoff (Tandem) Ratio: 3.55. VIN #: 1XP5DB9XX2D574427. USED USED 2002 PETERBILT 379 CUTOFF LOW AIR LEAF. HAD EATON DSP40 & RSP40 REAR ENDS. Create Estimate. Part Info. (205)221-5203 Request Info Enterprise Nli Sales, Inc. Jasper JASPER AL. $4,000.00.

Air suspension systems can automatically adjust the vehicle's ride height in one of two ways: pressure-based air suspension systems rely on a fixed, pre-set value that gives the car a particular ...

FRAME HEIGHT CHARTS 3-12 . REAR SUSPENSION LAYOUTS 3-19 . Reyco 79KB Single 3-20 . Reyco 102AR Single 3-21 . Neway ADZ252 3-22 . Neway ADZ369/378 3-23 . Peterbilt Air Leaf 3-24 . Peterbilt Air Trac Single 3-25Mar 15, 2023 · The ride height is 8.5 inches. The ride height is calculated by subtracting the distance between the center of the drive axle hubs and the ground from the distance between the frame and the ground. The distance between the frame and the ground will vary based on the height of the tires. Ask Your Own Medium and Heavy Trucks Question. Air Canada is running a fall flight sale between the U.S. and Canada with one-way fares beginning at $70. Update: Some offers mentioned below are no longer available. As the famed ...• Freight-cushioning ride, dynamically tuned to the vehicle, reduces damage to payloads • Proven combination of trailing arm leaf springs and self-leveling air bags provides Stabilizer a uniformly soft Attachment spring ride • Excellent ride either loaded or unloaded • Designed to reduce sway when turning or negotiating curvesIn the default ‘D’ mode the new LEAF is a spritely performer, with 0-62mph coming up in 7.9 seconds, the car using all of its 236lb ft / 320Nm of torque to exemplary effect. The …The air ride suspension on my 1990 Superliner has gotten out of whack. We replaced the suspension about 4 year ago with a 2000 Hendrickson/Mack air ride out of a CH. ... Long story short the ride height was to low and the driveshaft was running out of slide and was then smacking the back of the case. Ergo Oil loss and damage to the case … BWP PE10B Spring Eye Casting, Peterbilt Low Air Leaf (Up to 2003) Part# 130-PE10B. $61.43 USD Not Yet Rated. PTP PE9ZPTP Pivot Bushing Kit for Peterbilt Low Air Leaf Suspensions, OEM# 03AL2. Part# 130-PE9ZPTP. $65.28 USD Not Yet Rated. 5/8"-18 x 5" Bolt Assembly with Lock Nut and Washers. Part# 797-334770. $7.09 USD Not Yet Rated. From front wheel hub centerline back 33" measure gound up to rocker. 8.4" is the spec. From rear wheel hub centerline forward 20" measure ground to rocker. 8.1" is the spec. My Moog chart only goes back to 1974, but it usually gives a tolerance of +/- 3/8". The 1968 pontiac manual is on line.Nov 19, 2011 · This is the ride height you can get from the 360# rear spring with 8" bolts. 72 Ontario Orange Coupe. 2001 LS1 - LS6 block & Intake, Thunder Racing Cam, Ported heads and Throttle Body, Meziere electric water pump, Hooker Shorty Headers, 2001 T56 6-speed trans, VB&P Street & Slalom suspension, Magnaflow SS exhaust.

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One of the key features of the Peterbilt Low Air Leaf suspension system is its ability to adjust the ride height. This can be done by adjusting the air pressure in the air springs. …Convert your GM, Dodge, or Ford 1 ton cab chassis truck from Leaf springs to a true air ride suspension. Also available for F-450/550 and 4500/5500 trucks. Springs, Steering, and Suspension Specialists ... Maintains designed vehicle ride height: ... DRW Low Crossmember – 1 Inch higher than the OEM frame rail ...Air Trac 11.38" or 289 mm uladen and 11.00" or 279 mm laden. Low Low Air Leaf 6.75" or 171 mm uladen and 6.5" or 165 laden. To check your air ride hight you need to measure the distance between the bottom of your frame rail to the center of your drive axle. I think 359 air ride height will be the same as 379 if suspensions are same. Description. International Ride-Optimized Suspension. This suspension is similar in concept to the Freightliner FAS II and Peterbilt’s New Low Air Leaf. The biggest maintenance concern is the bonded bushing in the spring eye. Commonly, it will open up and the bushing can walk out. 2013 389 low air leaf peterbilt, both rear axles cracked where u bolt saddles sit on top of axle. ... Hi I have a 2014 peterbilt 389 with factory front air leaf suspension, just wondering what the ride height should be and how to measure, VIN number 245637 ...Dropping your C10 with a 2/4 drop (2-inch front/4-inch rear) is a popular upgrade. Lowering, or drop springs, are an extremely popular way to lower a C10 pickup. In general terms, you remove the stock springs (front, rear, or both) and replace with a lowering spring that will lower the vehicle a specific amount.Changing the ride height will affect the driveshaft angles and may cause driveline vibration and/or shorten compo-nent life. Ride height adjustments must be performed in ac-cordance with all documented service procedures. Air Suspension, Height Adjustment Ride height has a direct relationship with driveline pinion an-gles.The ride height is 8.5 inches. The ride height is calculated by subtracting the distance between the center of the drive axle hubs and the ground from the distance between the frame and the ground. The distance between the frame and the ground will vary based on the height of the tires. Ask Your Own Medium and Heavy Trucks Question.The ride height is 8.5 inches. The ride height is calculated by subtracting the distance between the center of the drive axle hubs and the ground from the distance between the frame and the ground. The distance between the frame and the ground will vary based on the height of the tires. Ask Your Own Medium and Heavy Trucks Question. ….

This is the ride height you can get from the 360# rear spring with 8" bolts. 72 Ontario Orange Coupe. 2001 LS1 - LS6 block & Intake, Thunder Racing Cam, Ported heads and Throttle Body, Meziere electric water pump, Hooker Shorty Headers, 2001 T56 6-speed trans, VB&P Street & Slalom suspension, Magnaflow SS exhaust.To check the current ride height of suspensions, SAF-Holland recommends the following steps: 1. Determine the vehicle manufacturer’s correct suspension ride height for your vehicle and which axle the height control valve is attached to on multi-axle vehicles. 2.I set ride height to 8.5", got a bad vibration. I lowered it to 8", the vibration got better but is still there.. When set at 6.5" it had no vibration, is it possible this thing is low …BESTfit Air Bag For Peterbilt New Low Air Leaf Suspension * High Quality Rear Drive Air Bag * Plastic Base * Rolling Lobe Style * Load (Lbs.) At 80 PSI 5640 * Load (Lbs.) At 100 PSI 7070 * Natural Freq. (Cpm) 65 * Design Height Inch 16 * Bottom Plate Type Steel * Top Plate Hole/Stud Qty 2 * Top Plate Diameter (A) 9.00May 29, 2023. To lower a leaf spring suspension, remove the bottom leaf spring from the pack. Lowering your vehicle can provide better stability and improved appearance. Leaf springs are stacked together, and the bottom leaf spring typically carries the heaviest load. Removing it will result in a lowered ride height.Pressure regulator set too low Wrong air spring Improper ride height Broken or defective Y Blade assembly Low air pressure Tracking Thrust alignment incorrect ... Mack Twin Y Air Suspension Ride Height and Driveline Angle Check Flow Diagram W7000749. Mack Trucks, Inc. Date Group No. Release Page Service Bulletin 6.2013 726 02 1 12(12)Air Spring Crossbeam (Pedestal) to Leaf M12 10.9 105 ± 20 Nm (77 ± 15 ft-lb) Air Spring to Crossbeam (Pedestal) M12 8.8 50 ± 10 Nm (37 ± 7.5 ft-lb) ... Air Suspension, Adjustment (Ride Height and Driveline Calculation) Ride height has a direct relationship with driveline pinion angles. It is critical to maintain all ride heightLow Mount Air Ride Suspension Bushing Kit | Peterbilt. Peterbilt Low Air Leaf Bushing Kit for 3 1/2 in. wide spring. Includes: 1) Rubber Bushing Kit Replacing OEM # 03AL2 - Dayton 334-814 - Flagg PB44. Kit includes: (1) LN107 - Flanged lock nut. (1) M5230 - Spring bolt. (2) TRB5904 - Spring eye bushing. (2) MPB10 - Compression washer.A typical add-a-leaf kit will add roughly 1-to-2-inches of unchangeable rear ride height to an empty truck. This is in contrast to an air spring system, where ride height is unaffected until the springs are inflated. This is important to keep in mind if curb appeal or a specific stance factors into your decision to go with an add-a-leaf system ...Feb 11, 2011 · I'd go with the Air leaf; it rides nice and high and walks throug uneven terain well. low leaf sways too much and bottoms out alot (if you are north of 112k any way) air trac is great, but doesn't quite ride as nice as the air leaf; it DOES however -perform better off road. my 2 cents worth. jr-transport, May 23, 2011. #2. Low air leaf ride height, 2018 international prostar…. Last 8 of vin HN524194… can't find anywhere to find ride height…. Even international shops having issues…. It has a set up like air leaf from Peterbilt but it's not a Pete … read more, Watch on. There are two major styles of suspensions for heavy-duty trucks out there, air ride and leaf spring, and knowing the difference between the two can be important based on your application. Watch the video above to learn more, and click here for more episodes of On the Road. Tags: On the Road, Season 5, Suspensions., Apr 22, 2018 · You use that number to get the correct height. Per Navistar, that vehicle should have a 11.5" ride height for standard leaf and 8.75" for low leaf. 1. Determine the vehicle’s correct suspension ride height for your vehicle and which axle the height control valve is attached to on multi-axle vehicles. 2. , Performance Suspension Specialist. Ridetech manufactures exciting suspension systems that improve the handling and ride quality of your muscle car, truck, Corvette or hot rod. From restorations and show cars, to high-speed autocross and track day cars, Ridetech offers a wide range of premium products including air suspension systems (air ride ..., It appears you have Air -Trac and not air leaf. The ride height needs to be measured from axle center to the bottom of the frame. If set on level ground your bag height should be the same from front to rear drive and be close to the same height. ... There is air leaf, low air leaf and low low air leaf. Air leaf was the only option in 1986. Low ..., It appears you have Air -Trac and not air leaf. The ride height needs to be measured from axle center to the bottom of the frame. If set on level ground your bag height should be the same from front to rear drive and be close to the same height. My first thought is you are set too low. Should be 10.5 unladen., "Air taxis could make a trip go from taking six hours on the highway to a quick, no-hassles plane ride. Find out how the air-taxi system will operate." Advertisement In the world o..., Air suspension reduces the tendency of short wheelbase trucks to bounce over rougher roads and terrain when the vehicle is empty. Air suspension improves the ride height based on the load weight ..., Six of the most common ways to lower or raise a car (without torsion bars—that’s another story altogether) is via cut coils, re-arched leaf springs, coil spring …, The pedestals where the bags mount appear to be pushed down towards the ground. They are uneven. To get even close to the correct ride height, the bags are almost fully extended. There is 2.5" between the highest and the lowest pedestal measuring from the ground to the bottom of the pedestals. Even the one furthest off the ground seems …, Kenworth brands this suspension as an AirGlide 380; on a Peterbilt this same suspension is named a FlexAir. Key identifying feature: the C-shaped spring link. ATRO offers replacements for the spring link bushings SU00-29001 (straddle) and the SU00-29002 (hollow mount) The suspension contains six torque rods: two transverse, two lower front, …, Nikki asks, “What should I do about the black spots covering the leaves of my 'Carissa" hollies? Will this do long-term damage to my hollies?"It sounds like your holly plants have ..., Better load handling and ride characteristics than OE rubber and other polyurethane brands; Will not take a permanent compression set like rubber springs, keeping ride height accurate and driveline angles in spec; ATRO torque rod bushing options: 2-piece design – 32/suspension (PL1046, PL1047); oversized option is PL1049, • Freight-cushioning ride, dynamically tuned to the vehicle, reduces damage to payloads • Proven combination of trailing arm leaf springs and self-leveling air bags provides Stabilizer a uniformly soft Attachment spring ride • Excellent ride either loaded or unloaded • Designed to reduce sway when turning or negotiating curves, 52" – Flex Air 52” and 54” – Low & Low-Low Air Leaf. 60” Low Air Leaf Only (Note 2) 52”. 54”, 60" (note 2) NA. - 72” with 100% Class A, wheelbase 200" or greater, 42,100 lb …, The Flex-air is about 55 lbs lighter but that shouldn't matter to you. Both state to have 8.5" ride heights. I personally can't tell much difference in the ride between the two. The Low-Air seemed to not roll quite so bad, but I was pulling two completely different trailers. I will tell you that I have gotten a lot better tire wear out of the ..., AIR SPRING AS80500 $ 155.09 Add to cart; SPRING-AIR LOW AIR LEAF 03-07887 $ 318.09 Original price was: $318.09. $ 210.94 Current price is: $210.94. Add to cart; ABSORBER-SHOCK 85033 $ 48.81 Add to cart; AIR …, Description. International Ride-Optimized Suspension. This suspension is similar in concept to the Freightliner FAS II and Peterbilt’s New Low Air Leaf. The biggest maintenance concern is the bonded bushing in the spring eye. Commonly, it …, MPB75728 Peterbilt Air Leaf Spring Hanger, OEM# 03-07328M001. Part# 052-MPB75728 . $341.95 USD Not Yet Rated ... Delayed Response Height Control Valve. Part# 270-E9623 . $99.72 USD Not Yet Rated ... Air Leaf; New Low Air Leaf (2003+) Low Air Leaf (to 2003) Air Trac; FlexAir; Height Control Valves;, In fact, air ride was popular in drag racing and NASCAR as far back as the 1950s. There’s also plenty of race cars and drifters running air suspension right now, more than you may think. When it comes to tuneability, with air suspension the ride can be firm and tight, soft and comfortable or anywhere in between., While there were options to alter the rear ride height in 1-inch increments from the standard height to a 3-inch drop or rise, the standard height springs were selected. For more leaf spring information, select the Spring Tech tab at EATON Detroit Spring. Our original 52-year old leaf springs had given up, and it was time for a new pair., Changing ride height What settings would i change to make the ride height of a car to be taller. < > Showing 1-6 of 6 comments . Nadeox1. Oct 3, 2017 @ 5:30am You first need to be using a vehicle or 'Suspension' parts that has the ability to be modified like that. Usually the offroad suspensions (On the D-Series, Roamer and so on) have that ..., That's Pete Air Leaf. LAL has re-curved springs. In the shape of a "C". When pulling empty trailer, or bob-tailing, the rear-end does rise some. IIRC my Pete would come up about 3"s "Neuway" is another brand of air-ride suspension. But, Peterbilt is considered the 'top shelf' of them all. KW's 8 bag system is more complicated and seem to, The listed height spec is more of a guide of where to start at. To do it correctly, driveline angles need to be taken and punched into a corresponding program such as Eatons Driveline Angle Analyzer. Low air leaf would typically be looking for angles like 1.6 front diff, 6 interaxle, 11 rear axle., CHARGE AIR COOLER SYSTEM 2-6 SECTION 3: DIMENSIONS INTRODUCTION 3-1 ABBREVIATIONS 3-1 OVERALL DIMENSIONS 3-2 FRAME RAILS 3-9 FRAME HEIGHT CHARTS 3-11 REAR SUSPENSION LAYOUTS 3-18 Reyco 79KB Single 3-19 Reyco 102AR Single 3-20 Neway ADZ252 3-21 Neway ADZ369/378 3-22 Peterbilt Air Leaf 3-23 Peterbilt Air Trac Single 3-24, Air India Express is a leading low-cost carrier in India that offers affordable air travel options within the country and to select international destinations. Air India Express wa..., 2013 389 low air leaf peterbilt, both rear axles cracked where u bolt saddles sit on top of axle. ... Hi I have a 2014 peterbilt 389 with factory front air leaf suspension, just wondering what the ride height should be and how to measure, VIN number 245637 ..., Better load handling and ride characteristics than OE rubber and other polyurethane brands; Will not take a permanent compression set like rubber springs, keeping ride height accurate and driveline angles in spec; ATRO torque rod bushing options: 2-piece design – 32/suspension (PL1046, PL1047); oversized option is PL1049, It appears you have Air -Trac and not air leaf. The ride height needs to be measured from axle center to the bottom of the frame. If set on level ground your bag height should be the same from front to rear drive and be close to the same height. My first thought is you are set too low. Should be 10.5 unladen., Are you looking for a unique and unforgettable experience to share with your loved one? Look no further than a hot air balloon ride for two. Soaring through the sky, hand in hand, ..., Aug 14, 2023 · Air Trac; The Air Trac is a Leaf Spring + Air Spring combination that features a Lower Radius Rod in parallel to the spring. The radius rod provision strengthens and stabilizes the suspension vertical alignment. The Lateral Torque Rod stabilizes lateral axle movement. Air Leaf with Tracking Rods; Low and Low-Low Air Leaf Tandem (built April ... , Oct 24, 2012 · I've been battling the same deal with a 2000 379 with supposedly low air leaf. With the ride height set at; empty, bobtail, brakes released, and measured out to 8.75 from the bottom of frame rail at a point in front of the rear drive to the center of the axle. Center axle height was derived b , 52”. 54”, 60" (note 2) NA. - 72” with 100% Class A, wheelbase 200" or greater, 42,100 lb rating and Canadian service. Notes: Logger, chip hauler, and oilfield wire line services require the Air Trac rated at 44,000 lbs or higher. The axle spacings of 54" and 60" are optional on Low Air Leaf Tandem suspensions only.